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using System;
using System.Diagnostics;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml.Serialization;
using System.ComponentModel;
namespace go
{
public class GenericStack : Group
{
#region CTOR
public GenericStack()
: base()
{
}
#endregion
#region Private fields
int _spacing;
Orientation _orientation;
#endregion
public override T addChild<T> (T child)
{
T tmp = base.addChild (child);
this.RegisterForLayouting ((int)LayoutingType.PositionChildren);
return tmp;
}
public override void removeChild (GraphicObject child)
{
base.removeChild (child);
this.RegisterForLayouting ((int)LayoutingType.PositionChildren);
}
#region Public Properties
[XmlAttributeAttribute()][DefaultValue(2)]
public int Spacing
{
get { return _spacing; }
set { _spacing = value; }
}
[XmlAttributeAttribute()][DefaultValue(Orientation.Horizontal)]
public virtual Orientation Orientation
{
get { return _orientation; }
set { _orientation = value; }
}
#endregion
#region GraphicObject Overrides
[XmlAttributeAttribute()][DefaultValue(-1)]
public override int Width {
get { return base.Width; }
set { base.Width = value; }
}
[XmlAttributeAttribute()][DefaultValue(-1)]
public override int Height {
get { return base.Height; }
set { base.Height = value; }
}
protected override Size measureRawSize ()
{
Size tmp = new Size ();
if (Orientation == Orientation.Horizontal) {
foreach (GraphicObject c in Children) {
tmp.Width += c.Slot.Width + Spacing;
tmp.Height = Math.Max (tmp.Height, c.Slot.Bottom);
}
if (tmp.Width > 0)
tmp.Width -= Spacing;
} else {
foreach (GraphicObject c in Children) {
tmp.Width = Math.Max (tmp.Width, c.Slot.Right);
tmp.Height += c.Slot.Height + Spacing;
}
if (tmp.Height > 0)
tmp.Height -= Spacing;
}
tmp.Width += 2 * Margin;
tmp.Height += 2 * Margin;
return tmp;
}
public virtual void ComputeChildrenPositions()
{
int d = 0;
if (Orientation == Orientation.Horizontal) {
foreach (GraphicObject c in Children) {
c.Slot.X = d;
d += c.Slot.Width + Spacing;
c.RegisterForLayouting ((int)LayoutingType.Y);
}
} else {
foreach (GraphicObject c in Children) {
c.Slot.Y = d;
d += c.Slot.Height + Spacing;
c.RegisterForLayouting ((int)LayoutingType.X);
}
}
}
public override void RegisterForLayouting (int layoutType)
{
base.RegisterForLayouting (layoutType);
if ((layoutType & (int)LayoutingType.PositionChildren) > 0)
Interface.LayoutingQueue.Enqueue (LayoutingType.PositionChildren, this);
}
public override void UpdateLayout (LayoutingType layoutType)
{
if (layoutType == LayoutingType.PositionChildren)
ComputeChildrenPositions ();
else
base.UpdateLayout(layoutType);
}
#endregion
}
}
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